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Verb: clear up
  1. Make clear and (more) comprehensible
    "clear up the mystery surrounding her death";
    - clarify, elucidate
  2. Finish a task completely
    - get through, wrap up [informal], finish off, mop up, polish off [informal], finish up
  3. Free (the throat) by making a rasping sound
    - clear
  4. Become free from clouds or less cloudy; become brighter
    "The sky cleared up after the storm";
    - clear, light up, brighten
  5. Make free from confusion or ambiguity; make clear
    "Clear up the question of who is at fault";
    - clear, shed light on, crystallize, crystallise [Brit], crystalize, crystalise [Brit], straighten out, sort out, enlighten, illuminate, elucidate

Derived forms: cleared up, clearing up, clears up

Type of: complete, explain, explicate, finish, remove, take, take away, withdraw